Finding the Fourth Proportional to 73,019.49, 100,734.89 and 42,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   73,019.49 : 100,734.89 = 42,789.48 : x
2. Step 2: Convert to fraction form
   73,019.49/100,734.89 = 42,789.48/x
3. Step 3: Cross multiply
   73,019.49x = 100,734.89 × 42,789.48
4. Step 4: Simplify right side
   73,019.49x = 4,310,393,347.01
5. Step 5: Solve for x
   x = 4,310,393,347.01/73,019.49
6. Step 6: Final answer
   x = 59,030.72